Fix for issue - #2808: Invalid type WSGIRequest for attribute 'request' value opentelemetry

CHANGELOG.md

@@ -30,6 +30,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- `opentelemetry-instrumentation-django`: Fixes invalid type at WSGI request headers and attributes collection.
+  ([#3731](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3731))
 - `opentelemetry-instrumentation-botocore`: bedrock: only decode JSON input buffer in Anthropic Claude streaming
   ([#3875](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3875))
 - `opentelemetry-instrumentation-aiohttp-client`, `opentelemetry-instrumentation-aiohttp-server`: Fix readme links and text

instrumentation/opentelemetry-instrumentation-django/src/opentelemetry/instrumentation/django/middleware/otel_middleware.py

@@ -12,6 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import logging
 import types
 from logging import getLogger
 from time import time
@@ -131,6 +132,17 @@ def __call__(self, request):
 _logger = getLogger(__name__)
 
 
+class RequestFilter(logging.Filter):
+    def filter(self, record: logging.LogRecord) -> bool:
+        request = getattr(record, "request", None)
+        record.request = str(request)
+        return True
+
+
+_wsgi_request_logger = logging.getLogger("django.request")
+_wsgi_request_logger.addFilter(RequestFilter())
+
+
 def _is_asgi_request(request: HttpRequest) -> bool:
     return ASGIRequest is not None and isinstance(request, ASGIRequest)
 
@@ -276,6 +288,7 @@ def process_request(self, request):
                     custom_attributes = (
                         wsgi_collect_custom_request_headers_attributes(carrier)
                     )
+
                     if len(custom_attributes) > 0:
                         span.set_attributes(custom_attributes)
 

instrumentation/opentelemetry-instrumentation-django/tests/test_middleware.py

@@ -15,8 +15,10 @@
 # pylint: disable=E0611
 # pylint: disable=too-many-lines
 
+import logging
 from sys import modules
 from timeit import default_timer
+from unittest import TestCase
 from unittest.mock import Mock, patch
 
 from django import VERSION, conf
@@ -35,6 +37,9 @@
     DjangoInstrumentor,
     _DjangoMiddleware,
 )
+from opentelemetry.instrumentation.django.middleware.otel_middleware import (
+    RequestFilter,
+)
 from opentelemetry.instrumentation.propagators import (
     TraceResponsePropagator,
     set_global_response_propagator,
@@ -100,6 +105,53 @@ def path(path_argument, *args, **kwargs):
 _django_instrumentor = DjangoInstrumentor()
 
 
+# pylint: disable=too-many-public-methods
+class TestRequestFilter(TestCase):
+    def test_converts_http_request_to_string(self):
+        class DummyRequest:
+            def __str__(self):
+                return "<DummyRequest method=GET path=/example/>"
+
+        request = DummyRequest()
+
+        record = logging.LogRecord(
+            name="django.request",
+            level=logging.ERROR,
+            pathname=__file__,
+            lineno=0,
+            msg="test message",
+            args=(),
+            exc_info=None,
+        )
+        record.request = request
+
+        expected_repr = str(request)
+
+        request_filter = RequestFilter()
+        result = request_filter.filter(record)
+
+        self.assertTrue(result)
+        self.assertEqual(record.request, expected_repr)
+        self.assertIsInstance(record.request, str)
+
+    def test_handles_missing_request_attribute(self):
+        record = logging.LogRecord(
+            name="django.request",
+            level=logging.INFO,
+            pathname=__file__,
+            lineno=0,
+            msg="no request",
+            args=(),
+            exc_info=None,
+        )
+
+        request_filter = RequestFilter()
+        result = request_filter.filter(record)
+
+        self.assertTrue(result)
+        self.assertEqual(record.request, "None")
+
+
 # pylint: disable=too-many-public-methods
 class TestMiddleware(WsgiTestBase):
     @classmethod